Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB+VvlZIWvC//Zmltzj2dVm1MtgGDgqO9iYUzM2N+8BAn9UKosRWdIbzdR/… (1,748 chars)"
  }
}